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BāgalkotSeasonal Pollution Patterns

Month-by-month air quality patterns for Bāgalkot across 5 years of CPCB data. Based on CPCB station data, 2016–present.

Worst month: Jan · AQI 60Cleanest: Jul · AQI 42Annual avg AQI 50Flat

Karnataka · Live Bāgalkot AQI →

Annual average AQI
50
Good · 5 yrs · 1 stations
Worst month
Jan · 60
Satisfactory
Cleanest month
Jul · 42
Good
Seasonal pattern
Flat
Swing: 18 AQI pts

At a glance

Based on 5 years of CPCB monitoring across 1 stations, Bāgalkot averages AQI 50 annually, with a pronounced seasonal pattern classified as flat year-round. The worst month is January at AQI 60 (Satisfactory) and the cleanest is July at AQI 42 (Good) — a 18-point swing between them. Severe days (AQI > 400) make up 0% of the record while Good-or-Satisfactory days account for 96.3%.

The four seasons

Indian meteorological seasons: Winter (Dec–Feb), Summer (Mar–May), Monsoon (Jun–Sep), Post-monsoon (Oct–Nov).

Winter

AQI 56
Dec–Jan–Feb · 412 days · Satisfactory
Clean: 92%
Worst: 0%
YoY: -7.1%

Summer

AQI 51
Mar–Apr–May · 402 days · Satisfactory
Clean: 99%
Worst: 0%
YoY: -0.1%

Monsoon

AQI 44
Jun–Jul–Aug–Sep · 546 days · Good
Clean: 99%
Worst: 0%
YoY: +10.7%

Post-monsoon

AQI 54
Oct–Nov · 283 days · Satisfactory
Clean: 93%
Worst: 0%
YoY: -4.9%

Climograph — monthly averages and Poor+ days

Bars show the long-run AQI average per month. The overlay line counts days in Poor, Very Poor or Severe bands.

0100200300400500605751524948424342545451▲ peak▼ cleanestJanFebMarAprMayJunJulAugSepOctNovDec20
Bars: monthly average AQI. Line: number of days in Poor, Very Poor or Severe bands (AQI > 200).

Year × month heatmap

One cell per year-month combination.

Each cell = monthly average AQI for that year-month combination. Row averages on the right, column averages at the bottom.

YearJanFebMarAprMayJunJulAugSepOctNovDecAvg
20201029574625566454553121877073
202140434357482926333454465142
202255505150505143444142414347
202349514846474546444245475347
202451464649464551514842464547
Avg605751524948424342555451
Best: Jul 2021 · AQI 26Worst: Oct 2020 · AQI 121

Winter in Bāgalkot

Winter (Dec–Jan–Feb) in Bāgalkot averages AQI 56 across 412 measured days — Satisfactory on the NAQI scale. 0% of those days fall in Very Poor or Severe; 92.5% are Good or Satisfactory. Year-on-year, winter improved by 7.1% in the most recent comparison. Winter in Bāgalkot is not the headline season, but shallow morning inversions can still produce short spikes. Bāgalkot's cleanest months lie elsewhere in the calendar, so the winter response is less about evacuation than about protecting sensitive groups on the worst individual days.

Diwali, stubble burning and the monsoon

Three India-specific signatures that shape the seasonal curve.

Diwali week impact

53
0.96× October baseline

The 7-day window around Diwali averages AQI 53 (Satisfactory), versus 55 (Satisfactory) for the rest of October. 35 sampled days across the CPCB record.

Stubble-burning window (Oct 15 – Nov 15)

61
0% Severe days

In-window severe-day share 0% vs 0% outside the window. The difference is a direct signal of upwind crop-residue transport.

Monsoon cleansing (Jul 15 – Sep 15)

43
−14% vs annual avg

Core monsoon window averages AQI 43 (Good), compared with an annual mean of 50.

Summer

Summer (Mar–Apr–May) in Bāgalkot averages AQI 51 across 402 measured days — Satisfactory on the NAQI scale. 0% of those days fall in Very Poor or Severe; 99.3% are Good or Satisfactory. Year-on-year, summer improved by 0.1% in the most recent comparison. Summer air in Bāgalkot is shaped by a very different mix of forces. Rising temperatures drive deeper vertical mixing which dilutes local emissions, but pre-monsoon dust storms, wildfires and heat-accelerated ozone formation can all push AQI higher on individual days. Bāgalkot's summer mean of 51 is the lighter side of the year for outdoor activity, though hot afternoons can still irritate sensitive airways.

Monsoon

Monsoon (Jun–Jul–Aug–Sep) in Bāgalkot averages AQI 44 across 546 measured days — Good on the NAQI scale. 0% of those days fall in Very Poor or Severe; 98.9% are Good or Satisfactory. Year-on-year, monsoon worsened by 10.7% in the most recent comparison. The Jul 15 – Sep 15 core monsoon window averages AQI 43, a 14% improvement on the annual mean of 50. Rain scrubs particulates out by wet deposition, and the deeper monsoon boundary layer disperses what remains vertically. Short-lived rebounds can happen between spells of rain, but the overall pattern is strongly favourable for outdoor activity. For anyone with asthma or heart conditions, monsoon is the easy-breathing stretch of the year in Bāgalkot.

Post-monsoon

Post-monsoon (Oct–Nov) in Bāgalkot averages AQI 54 across 283 measured days — Satisfactory on the NAQI scale. 0% of those days fall in Very Poor or Severe; 92.9% are Good or Satisfactory. Year-on-year, post-monsoon improved by 4.9% in the most recent comparison. Post-monsoon in Bāgalkot is the handoff from clean monsoon air to the winter peak, and the transition is rarely gentle.

Month-by-month trajectories

How each month has moved across the 5-year CPCB record.

Jan
-50%
2020: 1022024: 51
Improving
Feb
-52%
2020: 952024: 46
Improving
Mar
-38%
2020: 742024: 46
Improving
Apr
-21%
2020: 622024: 49
Improving
May
-16%
2020: 552024: 46
Improving
Jun
-32%
2020: 662024: 45
Improving
Jul
+13%
2020: 452024: 51
Worsening
Aug
+13%
2020: 452024: 51
Worsening
Sep
-9%
2020: 532024: 48
Stable
Oct
-65%
2020: 1212024: 42
Improving
Nov
-47%
2020: 872024: 46
Improving
Dec
-36%
2020: 702024: 45
Improving

First year vs latest year

Annual and per-season comparison.

2020202473472020 → 2024 (overall)9047Winter6247Summer5249Monsoon9944Post-monsoon

Across the 5-year CPCB record Bāgalkot is improving overall — AQI moved from 73 in 2020 to 47 in 2024, a -35.6% change. Months that worsened most: Jul (+13.3%), Aug (+13.3%). Months that improved most: Jan (-50%), Feb (-51.6%), Mar (-37.8%), Apr (-21%). Because Bāgalkot's seasonal shape is flat year-round, policy action that targets the January peak buys disproportionate relief — most city-wide annual averages are dragged upwards by the worst two or three months.

Daily calendar heatmap

Every measured day for the last 3 years. Expand for the full 5-year archive.

Month-by-month deep dive

Tap any month to expand.

Jan2020–2024Latest AQI 51-50%

Jan in Bāgalkot averages AQI 51 (Satisfactory) in the most recent year, having moved from 102 in 2020. Direction: improving (-50.0%).

2020: 1022021: 402022: 552023: 492024: 51
Feb2020–2024Latest AQI 46-52%

Feb in Bāgalkot averages AQI 46 (Good) in the most recent year, having moved from 95 in 2020. Direction: improving (-51.6%).

2020: 952021: 432022: 502023: 512024: 46
Mar2020–2024Latest AQI 46-38%

Mar in Bāgalkot averages AQI 46 (Good) in the most recent year, having moved from 74 in 2020. Direction: improving (-37.8%).

2020: 742021: 432022: 512023: 482024: 46
Apr2020–2024Latest AQI 49-21%

Apr in Bāgalkot averages AQI 49 (Good) in the most recent year, having moved from 62 in 2020. Direction: improving (-21.0%).

2020: 622021: 572022: 502023: 462024: 49
May2020–2024Latest AQI 46-16%

May in Bāgalkot averages AQI 46 (Good) in the most recent year, having moved from 55 in 2020. Direction: improving (-16.4%).

2020: 552021: 482022: 502023: 472024: 46
Jun2020–2024Latest AQI 45-32%

Jun in Bāgalkot averages AQI 45 (Good) in the most recent year, having moved from 66 in 2020. Direction: improving (-31.8%).

2020: 662021: 292022: 512023: 452024: 45
Jul2020–2024Latest AQI 51+13%

Jul in Bāgalkot averages AQI 51 (Satisfactory) in the most recent year, having moved from 45 in 2020. Direction: worsening (+13.3%).

2020: 452021: 262022: 432023: 462024: 51
Aug2020–2024Latest AQI 51+13%

Aug in Bāgalkot averages AQI 51 (Satisfactory) in the most recent year, having moved from 45 in 2020. Direction: worsening (+13.3%).

2020: 452021: 332022: 442023: 442024: 51
Sep2020–2024Latest AQI 48-9%

Sep in Bāgalkot averages AQI 48 (Good) in the most recent year, having moved from 53 in 2020. Direction: stable (-9.4%).

2020: 532021: 342022: 412023: 422024: 48
Oct2020–2024Latest AQI 42-65%

Oct in Bāgalkot averages AQI 42 (Good) in the most recent year, having moved from 121 in 2020. Direction: improving (-65.3%).

2020: 1212021: 542022: 422023: 452024: 42
Nov2020–2024Latest AQI 46-47%

Nov in Bāgalkot averages AQI 46 (Good) in the most recent year, having moved from 87 in 2020. Direction: improving (-47.1%).

2020: 872021: 462022: 412023: 472024: 46
Dec2020–2024Latest AQI 45-36%

Dec in Bāgalkot averages AQI 45 (Good) in the most recent year, having moved from 70 in 2020. Direction: improving (-35.7%).

2020: 702021: 512022: 432023: 532024: 45

Cities with similar (and opposite) seasonal profiles

Ranked by cosine similarity of 12-month AQI signatures across monitored Indian cities.

What to do with this information

If you are choosing when to visit Bāgalkot or plan outdoor events — marathons, weddings, school sports, outdoor festivals — the CPCB record says July and the two adjacent months are the lowest-risk window. Daily variability still matters; check the live AQI page before committing on any specific date. Sensitive groups should treat January in Bāgalkot as an indoor-air-priority month: close windows on high-AQI evenings, run a purifier with a HEPA filter rated for your room size, and reserve outdoor exercise for clear-weather mornings. On days above AQI 300, even healthy adults benefit from well-fitted N95 or KN95 masks for outdoor commutes.

Frequently asked questions

Which is the most polluted month in Bāgalkot?

January is the most polluted month in Bāgalkot on average, with a long-run AQI of 60 — firmly in the Satisfactory band. This is drawn from 1 CPCB monitoring stations across 5 years of daily readings. Through January, residents should expect elevated PM2.5 and PM10, reduced visibility on cooler mornings, and strong recommendations from doctors to limit outdoor exertion, wear well-fitted N95 masks, and run indoor purifiers through evening and overnight hours when pollutant accumulation typically peaks.

What is the cleanest month to visit Bāgalkot?

July is the cleanest month of the year in Bāgalkot, averaging AQI 42 in the Good band. The months immediately before and after also tend to sit well below the annual mean of 50, so a visit window centred on July is the safest choice for outdoor sightseeing, marathons, school trips and wedding events. Mornings are usually the crispest time to head out; pollution tends to creep up slightly during the evening commute even in the cleanest months. Always cross-check the day-of live AQI before any high-exertion outdoor plan.

Why does Bāgalkot's air spike in January?

Bāgalkot's profile is relatively flat year-round; the small January reflects modest swings in wind, rainfall and local emissions rather than a dramatic seasonal mechanism.

How bad is Diwali air quality in Bāgalkot?

Across the CPCB record, the week around Diwali in Bāgalkot averages AQI 53 — 0.96× the normal October baseline of AQI 55, a shift of 2 AQI points. Firework particulates combine with a cooler, more stagnant late-October atmosphere to produce some of the worst air-quality days of the entire year. Sensitive groups should treat Diwali eve and the two days after as peak-alert days: stay indoors, close windows by evening, run purifiers on high, and reserve any outdoor celebrations for daytime hours when mixing is strongest.

Does the monsoon actually clean Bāgalkot's air?

Only partially. Bāgalkot's monsoon window averages AQI 43, which is a 14% change from the annual mean of 50. Rain does scrub particulates, but the improvement here is modest — pointing to persistent local sources (industry, traffic, dust) that rain cannot fully wash away.

Is Bāgalkot's worst season getting worse or better year-on-year?

Between 2020 and 2024, Bāgalkot's annual average AQI moved from 73 to 47 — a change of -35.6%. In the most recent year-on-year comparison, the winter season specifically improved by 7.1%. The long-run direction is improving — NCAP policy pressure, cleaner fuels and tighter vehicle standards are showing up.

Which months are safest to visit Bāgalkot?

July is the single best month at AQI 42. Based on the 12-month averages, the three cleanest months in Bāgalkot are July (AQI 42), September (AQI 42), August (AQI 43). These are the safest choices for outdoor itineraries, long walks, open-air concerts and day-trips. Sensitive groups can treat these months as near-normal activity windows but should still check live AQI for the specific date. Avoid planning outdoor-heavy trips in January, when the baseline jumps into Satisfactory territory.

How does Bāgalkot's seasonal pattern compare to other Indian cities?

Bāgalkot is classified as flat year-round. Based on a 12-month cosine-similarity index computed across all monitored Indian cities, the city whose seasonal signature most closely resembles Bāgalkot's is Silchar (Assam), with its own worst month in February. Cities with similar signatures often respond to similar policy levers — if a neighbouring peer has demonstrated improvements through specific interventions (construction-dust controls, bus electrification, brick-kiln regulation), they are likely candidates for Bāgalkot too. The peer-city panel on this page lists the closest four additional matches.

More Bāgalkot analytics